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Finding the Fourth Proportional to 9,291.15, 13,936.73 and 8,234.10

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Solution

The fourth proportional to 9,291.15, 13,936.73 and 8,234.10 is: 12,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.15 : 13,936.73 = 8,234.10 : x
  2. Step 2: Convert to fraction form
    9,291.15/13,936.73 = 8,234.10/x
  3. Step 3: Cross multiply
    9,291.15x = 13,936.73 × 8,234.10
  4. Step 4: Simplify right side
    9,291.15x = 114,756,387.32
  5. Step 5: Solve for x
    x = 114,756,387.32/9,291.15
  6. Step 6: Final answer
    x = 12,351.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.